[notdang]

previous comment meant to out the fingeron the wrist and count the pulse by yourself, analog way.

[spqr0a1]

Surely the process of using fingers to measure discrete pulses is digital.

[sgtnoodle]

I am pretty sure you're making a clever pun, but I would suggest the word "natural".

[NikolaNovak]

Ah; yes I misinterpreted that thank you. Agree that would've done the trick for pulse :)